939005412 - S067 KNOCK ON FRONT SEAT CUSHION

Noise/knocking
0PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
"Rock" in the seat resting against the backrest; check the fastenings to the floor (two M8 bolts) releasing the tension and check the front mountings.Move on to Step 1Creaking; non alignment of guides during sliding stage (twist effect).Retighten the seat to the floor following the correct guide alignment cycle.
1CHECK ON FAULTY CONTACTS AT GUIDE BAYONETSALL OKPROBLEMS ENCOUNTEREDACTION
Remove the seat from the floor and check for possible irregular contacts at the guide bayonets (front).Move on to Step 2Noise disappearsCheck the plastic inserts on the floor and lubricate the bayonet area with grease.
2CHECK ON GUIDE FASTENINGS TO SEATALL OKPROBLEMS ENCOUNTEREDACTION
Check the fastenings of the guides to the seat (6 M8 bolts) if the noise disappears.Move on to Step 3Noise disappearsRetighten the seat to the floor following the correct tightening cycle.
3SEAT LIFTING HINGES CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check for clearance at the seat lifting hinges and for noise at the torsion spring.Move on to Step 41. Excessive clearance in the seat lifting hinges.1. Replace the seat lifting assembly    Op. 7045A36 DRIVER'S SEAT MANUAL HEIGHT ADJUSTMENT DEVICE - R.R
2. Noise from torsion spring.2. Lubricate the torsion spring and check the condition of the bush.
4BRACKET CONTACT CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Check for the presence of contacts or detachment of the bracket.Move on to Step 51. Contact with cushion components1. Move the bracket away from possible contact with the cushion.
2. Detachment of the bracket2. Replacement of connector holder bracket.
5PULLMAFLEX FASTENINGS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check for possible detachment of the pullmaflex fastenings on the frame or possible breaks.End of diagnosisPullmaflex released, pullmaflex fastening tabs open or broken.Reattach pullmaflex and tighten fastening tabs or replace pullmaflex.